yeah that measurement isn’t accurate enough.
In metric I would need to get at least down to 1mm. Accurate to 200 micrometers would be nice though.
So about 0.04-0.05 of an inch or so on the high side.
If the measurements aren’t at least that accurate there will be some size difference and I would have to continually have to alter it until it was right.
If that ruler can do 1/32 inch then it will probably be fine. 1/16th of an inch is getting a bit rough. But doable.
If you have a flat bed scanner you could scan the top of the Atom. If it is scanned as a set page size that is commonly known I can probably do the top side measurements.
Measuring curved corners is pretty straight forward. Usually you would figure out where the the curve starts. Measure from there until the center point of the curve. To do that the easiest way is with two straight objects like two rulers from either side. where the two meet is the center point.
That works best if the curve is a fillet aka a rounded corner.
This is essentially how you measure that.
If the curve is not a fillet, then it becomes a pain in the ass because you need to do a lot of measuring as various points along the curve to extrapolate the non circular curve.
Also not mentioned here I think, the Behringer UCA202 is… 100dB+ SNR for like 30$?! (Not the UCA222 though, the UCA222 is worse than motherboard sound for whatever reason.)
The xd-05 is good, but I mean that’s more of a portable combo and not really dac focused, but it does preform well as a dac through it’s line out. I do think that an ifi idsd nano bl would be good to use as a dac if you wanted something a bit warmer and smooth